On the behavior of the algebraic transfer |
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Authors: | Robert R Bruner Lê M Hà Nguyê n H V Hung |
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Institution: | Department of Mathematics, Wayne State University, 656 W. Kirby Street, Detroit, Michigan 48202 ; Université de Lille I, UFR de Mathématiques, UMR 8524, 59655 Villeneuve d'Ascq Cédex, France ; Department of Mathematics, Vietnam National University, 334 Nguyên Trãi Street, Hanoi, Vietnam |
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Abstract: | Let be the algebraic transfer, which is defined by W. Singer as an algebraic version of the geometrical transfer . It has been shown that the algebraic transfer is highly nontrivial and, more precisely, that is an isomorphism for . However, Singer showed that is not an epimorphism. In this paper, we prove that does not detect the nonzero element for every . As a consequence, the localized given by inverting the squaring operation is not an epimorphism. This gives a negative answer to a prediction by Minami. |
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Keywords: | Adams spectral sequences Steenrod algebra invariant theory algebraic transfer |
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